Shocking it may be, but Christmas in Cataluña has a distinctly scatological streak.

I think they do this stuff just to gross us out. Researchers in Japan have figured out a way to graft infant rat heads onto adult rat thighs – and keep the heads alive. “If kept cool while the blood flow is stopped, a transplanted brain can develop as normal for at least three weeks, and the mouth of the head will move, as if it is trying to drink milk, the team reports.”